mfrc522-rpi.sh

sudo raspi-config
sudo reboot
lsmod | grep spi
sudo apt-get update -y && sudo apt-get upgrade -y && sudo apt-get install -y python3-dev python3-pip && sudo pip install spidev mfrc522 && mkdir ~/pi-rfid && cd ~/pi-rfid

printf "
import RPi.GPIO as GPIO
from mfrc522 import SimpleMFRC522

reader = SimpleMFRC522()

try:
    text = input('New Data:')
    print('Place your tag on the reader')
    reader.write(text)
    print('Done')
finally:
    GPIO.cleanup()
" > write.py

printf "
import RPi.GPIO as GPIO
from mfrc522 import SimpleMFRC522

reader = SimpleMFRC522()

try:
    id, text = reader.read()
    if text:
        print(f"id is: {id} and text is: {text}")
    else:
        print("No data read from the card.")
except Exception as e:
    print(e)
finally:
    GPIO.cleanup()
" > read.py



printf "
import RPi.GPIO as GPIO
from mfrc522 import SimpleMFRC522

reader = SimpleMFRC522()

try:
    id, text = reader.read()
    if text:
        print(f"id is: {id} and text is: {text}")
        input('Place your new card and enter any key:')
        reader.write(text)
        print('Done')
    else:
        print("No data read from the card.")
except Exception as e:
    print(e)
finally:
    GPIO.cleanup()

" > clone.py